The ripple stitch is a classic crochet technique that can be used to create a variety of projects. A ripple afghan will come together very quickly with simple repetition of this stitch. Although a ripple afghan is very easy to crochet and doesn't require too much counting or stitching changes, the results are impressive. The afghan will have a distinct pattern.
Chain as many stitches as desired for the width of the afghan. The ripple of the design will make the finished piece slightly shorter than your starting chain. With a size G hook, you will get about 2.5 cm (1 inch) of length for every four or five stitches.
Turn the piece when you have finished the chain. Double crochet in the fourth chain from the hook; this serves as the first double crochet.
Double crochet in each of the next three chains, for a total of four double crochet.
Make three double crochets in the next chain. This creates the first hill in the ripple pattern.
Double crochet in each of the next four chains. Skip two chains for the valley, and double crochet in four more chains. Make three double crochet in the next chain.
Repeat step five across the entire length of the chain. End the pattern after four double crochets coming down from a peak, before beginning a new valley.
Trim off excess chains, knot at the base of the first row and weave the ends into the design.
Turn the piece. Chain three for the first double crochet. Double crochet in each of the next three double crochet.
Make three double crochet stitches in the next stitch. This stitch should be the middle of the three stitches made in the previous chain. It is at the very peak of the hill.
Double crochet in each of the next four stitches, and skip two stitches. These should be the stitches on either side of the two skipped stitches in the previous row. Double crochet in the next four stitches. Make three double crochets in the next stitch, at the top of the hill.
Ensure you have a basic knowledge of chaining and double crochet stitches to complete this project.